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The permissible axial force F
be calculated as shown in the table below:
Horizontal arrangement
F
AZ
F
A
F
C
F
L
See the table below for the force due to the rotor weight and spring-loading force:
Motor type
1PH3101
1PH3103
1PH3105
1PH3107
1PH3131
1PH3132
1PH3133
1PH3135
1PH3136
Deep-groove ball bearings can absorb both radial and axial forces.
The maximum axial force F
diagrams.
The permissible axial force in the force diagrams is specified without consideration of the
force due to the spring loading of the bearings, rotor weight for vertical mounting, and force
direction.
Note
Determining the permissible axial force
The permissible axial force at the shaft extension is dependent on the application (mounting
and force direction) and must be calculated.
1PH3 main motors
Equipment Manual, 01/2021, A5E43087278-004
in operation depends on the motor mounting position and can
AZ
Shaft end facing downwards
Permissible axial force in operation
Permissible axial force as a function of the average operating speed
nm in each case, ignoring the spring-loading force and the force due
to the rotor weight
Spring-loading force
Force due to the rotor weight
Force due to the rotor weight F
71
95
125
145
224
224
289
347
347
as a function of the radial force is shown in the subsequent force
A
Mechanical properties
3.8 Radial and axial forces
Shaft end facing upwards
(N) Spring-loading force F
L
600
800
(N) +/- 25%
C
41
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